Home/Basic Physics/Thermodynamics/Carnot efficiency15. ThermodynamicsCarnot efficiencyIn 15. ThermodynamicsFormulaCopy LaTeXηC=1−TCTH\eta_C=1-\frac{T_C}{T_H}ηC=1−THTCTagsphysicsphysics formulathermodynamicsDetailCarnot efficiency depends only on the ratio of the absolute temperatures of the reservoirs.Explore the ideaExplore the ideaConditionsabsolute temperatures in kelvin.Found an error? Contact us.Related formulasRelatedEfficiency of a heat engineη=WQH=1−QCQH\eta=\frac{W}{Q_H} = 1-\frac{Q_C}{Q_H}η=QHW=1−QHQCOpen formulaOpen in section